13331448 has 48 divisors (see below), whose sum is σ = 38886120. Its totient is φ = 4101696.

The previous prime is 13331447. The next prime is 13331453. The reversal of 13331448 is 84413331.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6186 + ... + 8057.

Almost surely, 2^13331448 is an apocalyptic number.

13331448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13331448 is an abundant number, since it is smaller than the sum of its proper divisors (25554672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13331448 is a wasteful number, since it uses less digits than its factorization.

13331448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14268 (or 14261 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 13331448 is about 3651.2255476757. The cubic root of 13331448 is about 237.1150432233.

Adding to 13331448 its reverse (84413331), we get a palindrome (97744779).

The spelling of 13331448 in words is "thirteen million, three hundred thirty-one thousand, four hundred forty-eight".